Auth bypass in Geutebrück E2 Series
CVE-2021-33543
Multiple camera devices by UDP Technology, Geutebrück and other vendors allow unauthenticated remote access to sensitive files due to default user authentication settings. This can lead to manipulation of the device and denial of service.
Vulnerability class: Broken Authentication
EPSS: 0.872 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Geutebrück E2 Series — versions EBC-21xx 1.12.13.2, EBC-21xx 1.12.14.5, EFD-22xx 1.12.13.2
- Geutebrück Encoder G-code — versions EEC-2xx 1.12.13.2, EEC-2xx 1.12.14.5, EEN-20xx 1.12.13.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.randorisec.fr/fr/udp-technology-ip-camera-vulnerabilities/ (x_refsource_CONFIRM)
- us-cert.cisa.gov/ics/advisories/icsa-21-208-03 (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2021-33543?
- CVE-2021-33543 is a critical-severity vulnerability in Geutebrück E2 Series, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2021-09-13.
- How severe is CVE-2021-33543?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-33543 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.